IDH1 and neoplasm: Univariate IDH status classification revealed comparable performance for ASL and DSC (AUROCC = 0.82 and AUROCC = 0.83, respectively), surpassing values reported by Hosur et al.18 (maximum tumor DSC-nCBV AUROCC = 0.66 and maximum tumor ASL-nCBF AUROCC = 0.602).